[ffmpeg_producer] Add relative and "from end" seeking

[casparcg] / common / lock.h

diff --git a/common/lock.h b/common/lock.h
index 647f09e3453a6e43e384a9d4114721d2b569b555..2501182b665958d03548416d8fd5f91ba444df65 100644 (file)
--- a/common/lock.h
+++ b/common/lock.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <boost/thread/lock_guard.hpp>
+
 namespace caspar {
 
 template<typename T, typename F>